R. V. Thielen

Importation, releases, and establishment ofNeochetina spp. (Col.: Curculionidae) for the biological control of water hyacinth,Ecchhornia crassipes (Lil.: Pontederiaceae), in Benin, West Africa

P. Neuenschwander, V. Schade, C. Lomer, 1994, Entomophaga.

Importation, releases, and establishment of Neochetina spp. (Coleoptera: Curculionidae) for the biological control of water hyacinth, Eichhornia crassipes (Liliaceae: Pontederiaceae), in Benin, West Africa [Neochetina eichhorniae, Neochetina bruchi]

P. Neuenschwander, V. Schade, C. Lomer, 1994 .

Ecology and fish catches in natural lakes of Benin, West Africa

A. Adite, R. V. Thielen, 1995, Environmental Biology of Fishes.